WO2011070187A1 - Method for displaying images with a fixed predetermined size by means of a computer - Google Patents
Method for displaying images with a fixed predetermined size by means of a computer Download PDFInfo
- Publication number
- WO2011070187A1 WO2011070187A1 PCT/ES2010/000482 ES2010000482W WO2011070187A1 WO 2011070187 A1 WO2011070187 A1 WO 2011070187A1 ES 2010000482 W ES2010000482 W ES 2010000482W WO 2011070187 A1 WO2011070187 A1 WO 2011070187A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- computer
- active monitor
- size
- resolution
- image
- Prior art date
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0693—Calibration of display systems
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0414—Vertical resolution change
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0421—Horizontal resolution change
Definitions
- the object of the present invention is a method that allows to display a determined image with exactly the same size on any computer, regardless of the resolution at which the user has it configured and the physical size of the screen of said computer.
- An example is vision tests, in which patients must answer the ophthalmologist's questions about certain images that he observes from a certain distance, the ophthalmologist deducing the degree of visual acuity based on their responses.
- the images may consist of letters, polygons with one of their sides open, etc.
- the process of the invention guarantees the correct visualization of the images in any computer equipment without the user having to have computer skills.
- the method of the invention obtains the characteristics of the monitor on which the images are to be displayed, and subsequently automatically modifies the size of the image so that it has the desired physical size specifically on the active monitor of that computer.
- the procedure for displaying images through a computer with a predetermined fixed size is described below, where the computer comprises a graphics card and an active monitor.-The procedure comprising the following steps:
- the method of the invention requests the resolution of the active monitor from the system.
- EDID file Information is requested from the operating system about the monitor, which is stored in an EDID file.
- the operating system returns the result in a register according to the standard defined by VESA that contains all the physical information and its specifications. After checking that it has been read correctly, I get the physical size that the manufacturer indicates as the visible area of the monitor. Depending on the version of the EDID file, the size will be given in centimeters or millimeters. 3) Determine, based on the physical dimensions of the active monitor and its resolution, the scale factor to be applied to the image so that it is displayed with the exact size.
- the described invention includes computer apparatus and processes executed in such equipment, the invention also extends to computer programs, particularly computer programs that are located on or within a carrier, adapted to carry out the invention.
- the program may have the form of source code, object code, an intermediate source of code and object code, for example, as in partially compiled form, or in any other form suitable for use in the implementation of the processes according to the invention .
- the carrier can be any entity or device capable of supporting the program.
- the carrier could include a storage medium, for example, a ROM, a CD ROM or a semiconductor ROM, or a magnetic recording medium, for example, a floppy disk or a hard disk.
- the carrier can be a transmission carrier, for example, an electrical or optical signal that could be transported through electrical or optical cable, by radio or by any other means.
- the carrier When the program is incorporated into a signal that can be directly transported by a cable or other device or medium, the carrier may be constituted by said cable or other device or means.
- the carrier could be an integrated circuit in which The program is complemented, the integrated circuit being adapted to execute, or to be used in the execution of, the corresponding processes.
- a preferred embodiment of the invention applied to a vision test that allows a user to check his visual acuity from his own computer is described below.
- the vision test is similar to that performed in an ophthalmologist's office: a series of images (for example, letters, squares with an open side, etc.) are shown with different sizes and the user's visual acuity is evaluated in function of what is the minimum size that can be distinguished at a certain distance. It is evident that in such a test it is extremely important that the images are always shown with the same size, since otherwise the test results would be falsified.
- the system when the user runs the vision test application, the system is first interrogated about the current resolution setting of the graphics card: an application made in Adobe Director, using the DMChangeres API, performs a Call to the Operating System of the user's computer to know what the current resolution of your graphics card is. Once the information requested T has been obtained, the system returns it to the application. If the resolution is less than the minimum resolution appropriate for the application, the graphics card is requested to change the resolution using the DMChangeRes API. This change may be necessary for the application but does not affect the images shown with the procedure being described. The procedure described in the invention is then carried out. The steps described above are carried out to obtain the resolution, the interpretation of the EDID and the calculations to obtain the scale factor.
- This procedure has been implemented through an external library that communicates with the application of vision tests. Once the necessary scale factor is determined, it is applied to the image (which is in Shockwave format, .swf) using a Flash player.
- the Shockwave format is a vector format that allows resizing images without losing quality.
- a test image is displayed on the vision test of this example so that the user can check if the images are the desired size.
- the user can verify that the CD shown through the monitor matches the size of a real CD.
- the resolution is restored if it has been modified at the beginning.
Abstract
The invention describes a method for displaying images with a fixed predetermined size by means of a computer, which method comprises: obtaining the resolution of the active monitor; obtaining the physical size of the active monitor; determining, as a function of the physical dimensions of the active monitor and the resolution of the latter, the scale factor which needs to be applied to the image in order to display the latter with the exact size; and applying the scale factor obtained to the image and displaying the latter by means of the active monitor.
Description
PROCEDIMIENTO PARA VISUALIZAR A TRAVÉS DE UN ORDENADOR IMÁGENES CON TAMAÑO FIJO PREDETERMINADO PROCEDURE TO DISPLAY THROUGH A COMPUTER WITH DEFAULT SIZE FIXED SIZE
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
El objeto de la presente invención es un procedimiento que permite mostrar una imagen determinada exactamente con el mismo tamaño en cualquier ordenador, independientemente de la resolución a la que el usuario lo tenga configurado y del tamaño físico de la pantalla de dicho ordenador. The object of the present invention is a method that allows to display a determined image with exactly the same size on any computer, regardless of the resolution at which the user has it configured and the physical size of the screen of said computer.
ESTADO DE LA TÉCNICA STATE OF THE TECHNIQUE
Existen aplicaciones que, por algún motivo, deben mostrar una o varias imágenes con un tamaño específico. Un ejemplo son los tests de visión, en los cuales los pacientes deben responder a preguntas del oftalmólogo acerca de ciertas imágenes que observa desde una distancia determinada, deduciendo el oftalmólogo el grado de agudeza visual en función de las respuestas de los mismos. Las imágenes pueden consistir en letras, polígonos con uno de sus lados abiertos, etc. There are applications that, for some reason, must show one or more images with a specific size. An example is vision tests, in which patients must answer the ophthalmologist's questions about certain images that he observes from a certain distance, the ophthalmologist deducing the degree of visual acuity based on their responses. The images may consist of letters, polygons with one of their sides open, etc.
Actualmente existen diversos tests de visión configurados para su realización a través de un ordenador que permiten que el propio usuario obtenga información acerca de su agudeza visual sin necesidad de acudir al oftalmólogo. Fundamentalmente, se trata de programas que muestran al usuario a través de la pantalla imágenes similares a las descritas anteriormente y le realizan preguntas acerca de ellas, de modo que el propio programa puede realizar una estimación acerca de la agudeza visual del usuario en función de sus respuestas. Sin embargo, ninguno de dichos programas garantiza automáticamente que las imágenes se están mostrando al tamaño correcto, sino que simplemente orientan al usuario para que cambie la configuración de su equipo a la resolución adecuada. En ocasiones, aún así las imágenes pueden aparecer a un tamaño diferente del
deseado, e incluso frecuentemente estar deformadas porque no tienen en cuenta la relación de aspecto del monitor (4:3, 16:9, etc.). Currently there are several vision tests configured for its realization through a computer that allow the user to obtain information about his visual acuity without having to go to the ophthalmologist. Fundamentally, these are programs that show the user images on the screen similar to those described above and ask questions about them, so that the program itself can estimate the user's visual acuity based on their answers. However, none of these programs automatically guarantees that the images are being displayed at the correct size, but simply orient the user to change the configuration of their equipment to the appropriate resolution. Occasionally, still images may appear at a different size from the desired, and even frequently be deformed because they do not take into account the aspect ratio of the monitor (4: 3, 16: 9, etc.).
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
El procedimiento de la invención garantiza la correcta visualización de las imágenes en cualquier equipo informático sin que el usuario tenga que tener conocimientos de informática. Fundamentalmente, el procedimiento de la invención obtiene las características del monitor en el que se van a mostrar las imágenes, y posteriormente modifica de manera automática el tamaño de la imagen para que tenga el tamaño físico deseado específicamente en el monitor activo de ese ordenador. The process of the invention guarantees the correct visualization of the images in any computer equipment without the user having to have computer skills. Fundamentally, the method of the invention obtains the characteristics of the monitor on which the images are to be displayed, and subsequently automatically modifies the size of the image so that it has the desired physical size specifically on the active monitor of that computer.
A continuación se describe el procedimiento para visualizar imágenes a través de un ordenador con un tamaño fijo predeterminado, donde el ordenador comprende una tarjeta gráfica y un monitor activo.-comprendiendo el procedimiento los siguientes pasos: The procedure for displaying images through a computer with a predetermined fixed size is described below, where the computer comprises a graphics card and an active monitor.-The procedure comprising the following steps:
1 ) Obtener la resolución del monitor activo. 1) Obtain the resolution of the active monitor.
El procedimiento de la invención solicita al sistema la resolución del monitor activo. The method of the invention requests the resolution of the active monitor from the system.
2) Obtener el tamaño físico del monitor activo 2) Get the physical size of the active monitor
Se solicita al sistema operativo información acerca del monitor, que está almacenada en un fichero EDID. El sistema operativo devuelve el resultado en un registro según el estándar definido por VESA que contiene toda la información física y las especificaciones del mismo. Tras comprobar que se ha leído correctamente, se obtiene I el tamaño físico que el fabricante indica como área visible del monitor. Dependiendo de la versión del fichero EDID, el tamaño vendrá dado en centímetros o bien en milímetros.
3) Determinar, en función de las dimensiones físicas del monitor activo y de la resolución del mismo, el factor de escala que hay que aplicar a la imagen para que esta se muestre con el tamaño exacto. Information is requested from the operating system about the monitor, which is stored in an EDID file. The operating system returns the result in a register according to the standard defined by VESA that contains all the physical information and its specifications. After checking that it has been read correctly, I get the physical size that the manufacturer indicates as the visible area of the monitor. Depending on the version of the EDID file, the size will be given in centimeters or millimeters. 3) Determine, based on the physical dimensions of the active monitor and its resolution, the scale factor to be applied to the image so that it is displayed with the exact size.
4) Aplicar el factor de escala obtenido a la imagen y mostrarla a través del monitor activo. 4) Apply the scale factor obtained to the image and display it through the active monitor.
Aunque la invención descrita incluye aparatos de ordenador y procesos ejecutados en tales equipos, la invención se extiende igualmente a programas de ordenador, particularmente los programas de ordenador que se encuentran situados sobre o dentro de una portadora, adaptados para llevar a la práctica la invención. El programa puede tener la forma de código fuente, código objeto, una fuente intermedia de código y código objeto, por ejemplo, como en forma parcialmente compilada, o en cualquier otra forma adecuada para uso en la puesta en práctica de los procesos según la invención. La portadora puede ser cualquier entidad o dispositivo capaz de soportar el programa. Por ejemplo, la portadora podría incluir un medio de almacenamiento, por ejemplo, una memoria ROM, una memoria CD ROM o una memoria ROM de semiconductor, o un soporte de grabación magnética, por ejemplo, un disco flexible o un disco duro. Además, la portadora puede ser una portadora de transmisión, por ejemplo, una señal eléctrica u óptica que podría transportarse a través de cable eléctrico u óptico, por radio o por cualesquiera otros medios. Although the described invention includes computer apparatus and processes executed in such equipment, the invention also extends to computer programs, particularly computer programs that are located on or within a carrier, adapted to carry out the invention. The program may have the form of source code, object code, an intermediate source of code and object code, for example, as in partially compiled form, or in any other form suitable for use in the implementation of the processes according to the invention . The carrier can be any entity or device capable of supporting the program. For example, the carrier could include a storage medium, for example, a ROM, a CD ROM or a semiconductor ROM, or a magnetic recording medium, for example, a floppy disk or a hard disk. In addition, the carrier can be a transmission carrier, for example, an electrical or optical signal that could be transported through electrical or optical cable, by radio or by any other means.
Cuando el programa está incorporado en una señal que puede ser transportada directamente por un cable u otro dispositivo o medio, la portadora puede estar constituida por dicho cable u otro dispositivo o medio. When the program is incorporated into a signal that can be directly transported by a cable or other device or medium, the carrier may be constituted by said cable or other device or means.
Como variante, la portadora podría ser un circuito integrado en el que
está ¡mplementado el programa, estando el circuito integrado adaptado para ejecutar, o para ser utilizado en la ejecución de, los procesos correspondientes. DESCRIPCIÓN DE UNA REALIZACIÓN PREFERENTE As a variant, the carrier could be an integrated circuit in which The program is complemented, the integrated circuit being adapted to execute, or to be used in the execution of, the corresponding processes. DESCRIPTION OF A PREFERRED EMBODIMENT
Se describe a continuación una realización preferente de la invención aplicada a un test de visión que permite a un usuario comprobar su agudeza visual desde su propio ordenador. El test de visión es similar al que se realiza en la consulta de un oftalmólogo: se muestran una serie de imágenes (por ejemplo, letras, cuadrados con un lado abierto, etc.) con diferentes tamaños y se evalúa la agudeza visual del usuario en función de cuál es el tamaño mínimo que puede distinguir a una distancia determinada. Es evidente que en un test de este tipo es extremadamente importante que las imágenes se muestren siempre con el mismo tamaño, ya que en caso contrario los resultados del test estarían falseados. A preferred embodiment of the invention applied to a vision test that allows a user to check his visual acuity from his own computer is described below. The vision test is similar to that performed in an ophthalmologist's office: a series of images (for example, letters, squares with an open side, etc.) are shown with different sizes and the user's visual acuity is evaluated in function of what is the minimum size that can be distinguished at a certain distance. It is evident that in such a test it is extremely important that the images are always shown with the same size, since otherwise the test results would be falsified.
En este ejemplo, cuando el usuario ejecuta la aplicación del test de visión, en primer lugar, se interroga al sistema acerca de la configuración actual de resolución de la tarjeta gráfica: una aplicación realizada en Adobe Director, utilizando la API de DMChangeres, realiza una llamada al Sistema Operativo del ordenador del usuario para saber cuál es la resolución actual de su tarjeta gráfica. Una vez obtenida la información solicitadaT el sistema la devuelve a la aplicación. Si la resolución es menor que la resolución mínima adecuada para la aplicación, se pide a la tarjeta gráfica un cambio de resolución mediante la API de DMChangeRes. Este cambio puede ser necesario para la aplicación pero no afecta a las imágenes mostradas con el procedimiento que se está describiendo. A continuación se realiza el procedimiento descrito en la invención. Se llevan a cabo los pasos descritos anteriormente para la obtención de la resolución, la interpretación del EDID y los cálculos para obtener el factor de escala. En este ejemplo concreto este procedimiento se ha implementado
mediante una librería externa que se comunica con la aplicación de los tests de visión. Una vez determinado el factor de escala necesario, se aplica a la imagen (que está en formato Shockwave, .swf) empleando un reproductor Flash (Flash Player). El formato Shockwave es un formato vectorial que permite redimensionar las imágenes sin perder calidad. In this example, when the user runs the vision test application, the system is first interrogated about the current resolution setting of the graphics card: an application made in Adobe Director, using the DMChangeres API, performs a Call to the Operating System of the user's computer to know what the current resolution of your graphics card is. Once the information requested T has been obtained, the system returns it to the application. If the resolution is less than the minimum resolution appropriate for the application, the graphics card is requested to change the resolution using the DMChangeRes API. This change may be necessary for the application but does not affect the images shown with the procedure being described. The procedure described in the invention is then carried out. The steps described above are carried out to obtain the resolution, the interpretation of the EDID and the calculations to obtain the scale factor. In this specific example this procedure has been implemented through an external library that communicates with the application of vision tests. Once the necessary scale factor is determined, it is applied to the image (which is in Shockwave format, .swf) using a Flash player. The Shockwave format is a vector format that allows resizing images without losing quality.
Para comprobar que el procedimiento se ha realizado con éxito, en el test de visión del presente ejemplo se muestra en pantalla una imagen de prueba para que el propio usuario pueda comprobar si las imágenes tienen el tamaño deseado. En este caso se trata de la imagen de un CD, pudiendo el usuario comprobar que el CD mostrado a través del monitor coincide con el tamaño de un CD real. To verify that the procedure has been carried out successfully, a test image is displayed on the vision test of this example so that the user can check if the images are the desired size. In this case it is the image of a CD, the user can verify that the CD shown through the monitor matches the size of a real CD.
Al finalizar la apliación se restaura la resolución si ésta ha sido modificada al principio.
At the end of the application the resolution is restored if it has been modified at the beginning.
Claims
1 . Procedimiento para visualizar a través de un ordenador imágenes con un tamaño fijo predeterminado, donde el ordenador comprende una tarjeta gráfica y un monitor activo, caracterizado porque comprende las siguientes operaciones: obtener la resolución del monitor activo; obtener el tamaño físico del monitor activo; determinar, en función de las dimensiones físicas del monitor activo y de la resolución del mismo, el factor de escala que hay que aplicar a la imagen para que esta se muestre con el tamaño exacto; y aplicar el factor de escala obtenido a la imagen y mostrarla a través del monitor activo. one . Procedure for displaying images with a predetermined fixed size through a computer, where the computer comprises a graphics card and an active monitor, characterized in that it comprises the following operations: obtaining the resolution of the active monitor; get the physical size of the active monitor; determine, based on the physical dimensions of the active monitor and its resolution, the scale factor that must be applied to the image so that it is displayed with the exact size; and apply the scale factor obtained to the image and display it through the active monitor.
2. Test de visión que comprende llevar a cabo las operaciones de la reivindicación 1. 2. Vision test comprising carrying out the operations of claim 1.
3. Programa de ordenador que comprende instrucciones del programa para hacer que un ordenador lleve a la práctica el procedimiento según la reivindicación 1. 3. Computer program comprising instructions of the program to make a computer carry out the method according to claim 1.
4. Programa de ordenador según la reivindicación 3, incorporado en medios de almacenamiento. 4. Computer program according to claim 3, incorporated into storage media.
5. Programa de ordenador según la reivindicación 3, soportado en una señal portadora. 5. Computer program according to claim 3, supported on a carrier signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ESP200931136 | 2009-12-09 | ||
| ES200931136A ES2361692B1 (en) | 2009-12-09 | 2009-12-09 | PROCEDURE TO DISPLAY THROUGH A COMPUTER IMAGES WITH DEFAULT FIXED SIZE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011070187A1 true WO2011070187A1 (en) | 2011-06-16 |
Family
ID=44114495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2010/000482 WO2011070187A1 (en) | 2009-12-09 | 2010-11-30 | Method for displaying images with a fixed predetermined size by means of a computer |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES2361692B1 (en) |
| WO (1) | WO2011070187A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020175924A1 (en) * | 1998-05-27 | 2002-11-28 | Hideaki Yui | Image display system capable of displaying images on plurality of image sources and display control method therefor |
| US20040046772A1 (en) * | 2002-09-11 | 2004-03-11 | Canon Kabushiki Kaisha | Display apparatus, method of controlling the same, and multidisplay system |
| US20070124474A1 (en) * | 2005-11-30 | 2007-05-31 | Digital Display Innovations, Llc | Multi-user display proxy server |
-
2009
- 2009-12-09 ES ES200931136A patent/ES2361692B1/en active Active
-
2010
- 2010-11-30 WO PCT/ES2010/000482 patent/WO2011070187A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020175924A1 (en) * | 1998-05-27 | 2002-11-28 | Hideaki Yui | Image display system capable of displaying images on plurality of image sources and display control method therefor |
| US20040046772A1 (en) * | 2002-09-11 | 2004-03-11 | Canon Kabushiki Kaisha | Display apparatus, method of controlling the same, and multidisplay system |
| US20070124474A1 (en) * | 2005-11-30 | 2007-05-31 | Digital Display Innovations, Llc | Multi-user display proxy server |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2361692B1 (en) | 2012-08-30 |
| ES2361692A1 (en) | 2011-06-21 |
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